• Low frequency oscillations in power systems: A physical account and adaptive stabilizers

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    • Keywords


      Power system stability; frequency identification; adaptive stabilizers

    • Abstract


      This paper presents a physical explanation of the phenomenon of low frequency oscillations experienced in power systems. A brief account of the present practice of providing fixed gain power system stabilizers (PSS) is followed by a summary of some of the recent design proposals for adaptive PSS. A novel PSS based on the effort of cancelling the negative damping torque produced by the automatic voltage regulator (AVR) is presented along with some recent studies on a multimachine system using a frequency identification technique.

    • Author Affiliations


      D P Sen Gupta1 Indraneel Sen1

      1. Department of Electrical Engineering, Indian Institute of Science, Bangalore - 560 012, India
    • Dates

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